120639596 has 48 divisors (see below), whose sum is σ = 269364480. Its totient is φ = 45904320.

The previous prime is 120639593. The next prime is 120639613. The reversal of 120639596 is 695936021.

It is not an unprimeable number, because it can be changed into a prime (120639593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8690 + ... + 17798.

It is an arithmetic number, because the mean of its divisors is an integer number (5611760).

Almost surely, 2^120639596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120639596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134682240).

120639596 is an abundant number, since it is smaller than the sum of its proper divisors (148724884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120639596 is a wasteful number, since it uses less digits than its factorization.

120639596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174 (or 9172 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 120639596 is about 10983.6057831661. The cubic root of 120639596 is about 494.1171844144.

The spelling of 120639596 in words is "one hundred twenty million, six hundred thirty-nine thousand, five hundred ninety-six".